/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file           : main.c
  * @brief          : Main program body
  ******************************************************************************
  * @attention
  *
  * Copyright (c) 2024 STMicroelectronics.
  * All rights reserved.
  *
  * This software is licensed under terms that can be found in the LICENSE file
  * in the root directory of this software component.
  * If no LICENSE file comes with this software, it is provided AS-IS.
  *
  ******************************************************************************
  */
/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "cmsis_os.h"
#include "can.h"
#include "i2c.h"
#include "rtc.h"
#include "spi.h"
#include "tim.h"
#include "usart.h"
#include "gpio.h"

/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include "uart.h"
#include "iic.h"
#include "candemo.h"
#include "w25q128.h"
#include "led.h"
//#include "fdb_port.h"
#include "flashdb_api_demo.h"
#include "ota.h"
/* USER CODE END Includes */

/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */
#define CAN_DATA_LEN 8
/* USER CODE END PTD */

/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */

/* USER CODE END PD */

/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */

/* USER CODE END PM */

/* Private variables ---------------------------------------------------------*/

/* USER CODE BEGIN PV */

/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
void MX_FREERTOS_Init(void);
/* USER CODE BEGIN PFP */

/* USER CODE END PFP */

/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */

void TIM1_Init(void)
{
    // 1. 使能 TIM1 时钟
    RCC->APB2ENR |= RCC_APB2ENR_TIM1EN;

    // 2. 配置预分频器和自动重载寄存器
    // TIM1CLK = 72MHz, 计数器每1MHz计数一次 -> 1us per tick
    TIM1->PSC = 72 - 1;    // 72MHz / 72 = 1MHz
    TIM1->ARR = 1000 - 1;  // 1MHz / 1000 = 1ms

    // 3. 清除计数器
    TIM1->CNT = 0;

    // 4. 允许更新中断
    TIM1->DIER |= TIM_DIER_UIE;

    // 5. 使能 TIM1
    TIM1->CR1 |= TIM_CR1_CEN;

    // 6. 配置 NVIC
    NVIC_SetPriority(TIM1_UP_IRQn, 1);
    NVIC_EnableIRQ(TIM1_UP_IRQn);
}

void System_init(void)
{
   
    RCC->APB2ENR |= RCC_APB2ENR_AFIOEN;      
    AFIO->MAPR &= ~0x3U;                      
    RCC->CR |= RCC_CR_HSION;                 
    while ((RCC->CR & RCC_CR_HSIRDY) == 0U) { 
    }
    RCC->CFGR = 0x00000000U;                  
    RCC->CR  &= ~RCC_CR_PLLON;               
    while (RCC->CR & RCC_CR_PLLRDY) {         
    }
    FLASH->ACR = FLASH_ACR_PRFTBE | FLASH_ACR_LATENCY_2;

    RCC->CR |= RCC_CR_HSEON;                  
    uint32_t startup_cnt = 0U;
    while (((RCC->CR & RCC_CR_HSERDY) == 0U) && (startup_cnt++ < HSE_STARTUP_TIMEOUT)) {
        /* busy wait */
    }
    if ((RCC->CR & RCC_CR_HSERDY) == 0U) {
        return;
    }
    RCC->CR |= RCC_CR_CSSON;
    RCC->CFGR = (RCC->CFGR & ~(RCC_CFGR_HPRE   |
                                RCC_CFGR_PPRE1  |
                                RCC_CFGR_PPRE2  |
                                RCC_CFGR_ADCPRE))
              | (RCC_CFGR_HPRE_DIV1    
               | RCC_CFGR_PPRE1_DIV2   
               | RCC_CFGR_PPRE2_DIV1  
               | RCC_CFGR_ADCPRE_DIV6  
                );
    RCC->CFGR &= ~RCC_CFGR_USBPRE;            

    RCC->CFGR &= ~(RCC_CFGR_PLLSRC | RCC_CFGR_PLLXTPRE | RCC_CFGR_PLLMULL);
    RCC->CFGR |=  (RCC_CFGR_PLLSRC)              
                | (0U << RCC_CFGR_PLLXTPRE_Pos)   
                | (RCC_CFGR_PLLMULL9);            

    RCC->CR |= RCC_CR_PLLON;                      
    while ((RCC->CR & RCC_CR_PLLRDY) == 0U) {     
    }
    RCC->CFGR = (RCC->CFGR & ~RCC_CFGR_SW) | RCC_CFGR_SW_PLL;  
    while ((RCC->CFGR & RCC_CFGR_SWS) != RCC_CFGR_SWS_PLL) {   
    }
	__enable_irq();
//	TIM1_Init();
}


// 任务函数
void Task1(void *pvParameters)
{
    while (1)
    {
        printf("Hello World\r\n");      // 串口输出
        vTaskDelay(pdMS_TO_TICKS(1000));   // 延时 1000ms = 1s
    }
}
/* USER CODE END 0 */

/**
  * @brief  The application entry point.
  * @retval int
  */
int main(void)
{
  /* USER CODE BEGIN 1 */
  
  System_init();
  /* USER CODE END 1 */

  /* MCU Configuration--------------------------------------------------------*/

  /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
  HAL_Init();

  /* USER CODE BEGIN Init */

  /* USER CODE END Init */

  /* Configure the system clock */
  SystemClock_Config();

  /* USER CODE BEGIN SysInit */
  
  /* USER CODE END SysInit */

  /* Initialize all configured peripherals */
  MX_GPIO_Init();
  MX_USART1_UART_Init();
  MX_I2C1_Init();
  MX_CAN_Init();
  MX_SPI1_Init();
  MX_TIM2_Init();
  MX_RTC_Init();
  MX_USART3_UART_Init();
  /* USER CODE BEGIN 2 */
  CAN_Config();
  uart_test();
//  pwm_init();
  
//  flashdb_init();
//  tsdb_demo();

	// 创建任务
    xTaskCreate(Task1, "Task1", 128, NULL, 1, NULL);
	// 启动调度器
    vTaskStartScheduler();
  /* USER CODE END 2 */

  /* Init scheduler */
  osKernelInitialize();  /* Call init function for freertos objects (in freertos.c) */
  MX_FREERTOS_Init();

  /* Start scheduler */
  osKernelStart();

  /* We should never get here as control is now taken by the scheduler */
  /* Infinite loop */
  /* USER CODE BEGIN WHILE */
  while (1)
  {
    /* USER CODE END WHILE */

    /* USER CODE BEGIN 3 */
	 
  }
  /* USER CODE END 3 */
}

/**
  * @brief System Clock Configuration
  * @retval None
  */
void SystemClock_Config(void)
{
  RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
  RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};

  /** Initializes the RCC Oscillators according to the specified parameters
  * in the RCC_OscInitTypeDef structure.
  */
  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI|RCC_OSCILLATORTYPE_HSE;
  RCC_OscInitStruct.HSEState = RCC_HSE_ON;
  RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;
  RCC_OscInitStruct.HSIState = RCC_HSI_ON;
  RCC_OscInitStruct.LSIState = RCC_LSI_ON;
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
  RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9;
  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  {
    Error_Handler();
  }

  /** Initializes the CPU, AHB and APB buses clocks
  */
  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
                              |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;

  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
  {
    Error_Handler();
  }
  PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_RTC;
  PeriphClkInit.RTCClockSelection = RCC_RTCCLKSOURCE_LSI;
  if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
  {
    Error_Handler();
  }
}

/* USER CODE BEGIN 4 */

/* USER CODE END 4 */

/**
  * @brief  Period elapsed callback in non blocking mode
  * @note   This function is called  when TIM1 interrupt took place, inside
  * HAL_TIM_IRQHandler(). It makes a direct call to HAL_IncTick() to increment
  * a global variable "uwTick" used as application time base.
  * @param  htim : TIM handle
  * @retval None
  */
void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim)
{
  /* USER CODE BEGIN Callback 0 */

  /* USER CODE END Callback 0 */
  if (htim->Instance == TIM1) {
    HAL_IncTick();
  }
  /* USER CODE BEGIN Callback 1 */

  /* USER CODE END Callback 1 */
}

/**
  * @brief  This function is executed in case of error occurrence.
  * @retval None
  */
void Error_Handler(void)
{
  /* USER CODE BEGIN Error_Handler_Debug */
  /* User can add his own implementation to report the HAL error return state */
  __disable_irq();
  while (1)
  {
  }
  /* USER CODE END Error_Handler_Debug */
}

#ifdef  USE_FULL_ASSERT
/**
  * @brief  Reports the name of the source file and the source line number
  *         where the assert_param error has occurred.
  * @param  file: pointer to the source file name
  * @param  line: assert_param error line source number
  * @retval None
  */
void assert_failed(uint8_t *file, uint32_t line)
{
  /* USER CODE BEGIN 6 */
  /* User can add his own implementation to report the file name and line number,
     ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  /* USER CODE END 6 */
}
#endif /* USE_FULL_ASSERT */
